@article { author = {}, title = {-}, journal = {Journal of Environmental Studies}, volume = {5}, number = {5}, pages = {-}, year = {1976}, publisher = {دانشگاه تهران}, issn = {1025-8620}, eissn = {2345-6922}, doi = {}, abstract = {-}, keywords = {}, title_fa = {نظام جدیدآموزش متوسطه ایران}, abstract_fa = {}, keywords_fa = {}, url = {https://jes.ut.ac.ir/article_14899.html}, eprint = {https://jes.ut.ac.ir/article_14899_e38d3cdeb908b01f21f5c26361c52953.pdf} }